How can I get the migration to run before the app starts to run the code?

Question

I\'m using realm.io in a swift app. This is the first time I\'ve had to run a migration since I have an app in production. I changed one of the models and added a couple of

Answer 1

I found this to work best in a View Controller:

let migrationBlock: MigrationBlock = { migration, oldSchemaVersion in
    //Leave the block empty
}

lazy var realm:Realm = {
    Realm.Configuration.defaultConfiguration = Realm.Configuration(schemaVersion: 1, migrationBlock: migrationBlock)
    return try! Realm()
}()

In other words, move the configuration assignment into the block so it doesn't get executed too late.